Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×
 


Reply
 
Thread Tools Search this Thread Display Modes
 
Old 06-20-2006, 05:22 AM   #21
Winnie-Wise
 
troth's Avatar
 
Join Date: Aug 2003
Location: NE Ohio
Posts: 387
Some older Onans did not have a fuel filter, but if they did, it would be within a couple feet of the genny itself. Look underneath for the fuel line from the tank to the genny. Most fuel filters were metal tubes, about 3/4" dia. x 3' long. If you don't see a filter, then the problem is with the electric fuel pump. Get the genny serial & model numbers and place a call to Onan. (You could use a multimeter to make sure the fuel pump is getting 12vdc power). But that's about all you can do. I understand that these pumps are very low flow, maybe 1 gpm and low pressure, so an aftermarket auto replacement pump won't work...
__________________
Last Brave 2004 34D
troth is offline   Reply With Quote
Old 06-20-2006, 05:42 AM   #22
Winnebago Owner
 
Join Date: Jun 2006
Location: Bolingbrook, IL
Posts: 119
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by troth:
Some older Onans did not have a fuel filter, but if they did, it would be within a couple feet of the genny itself. Look underneath for the fuel line from the tank to the genny. Most fuel filters were metal tubes, about 3/4" dia. x 3' long. If you don't see a filter, then the problem is with the electric fuel pump. Get the genny serial & model numbers and place a call to Onan. (You could use a multimeter to make sure the fuel pump is getting 12vdc power). But that's about all you can do. I understand that these pumps are very low flow, maybe 1 gpm and low pressure, so an aftermarket auto replacement pump won't work... </div></BLOCKQUOTE>

Coming off genny there's about a foot of rubber hose connected to about 18" of small diameter metal tubing then back to rubber hose.

Should gas flow out of this tubing when disconnected from genny?
__________________
KC9NPT (Merrill)
2000 Itasca Suncruiser 35U
2014 Chev Equinox LT AWD
Romer1 is offline   Reply With Quote
Old 06-21-2006, 02:20 AM   #23
Winnie-Wise
 
troth's Avatar
 
Join Date: Aug 2003
Location: NE Ohio
Posts: 387
If you disconnect that fuel line at the rubber hose, it should leak a little fuel then stop. Your genny will have a fuel pump mounted right on the generator, then a short line to the carburetor. If there was a fuel filter, it'd be before the fuel pump.
You want to disconnect the fuel line going into the carburetor, then crank over the genny and see if fuel comes out of the disconnected line. If not, could be bad fuel pump motor or rubber diaphragm inside it. Also could be pinhole (air holes from corrosion) in any steel tubing line. A pin hole will allow air to suck in and with a low volume fuel pump like the Onan, it won't suck hard enough to overcome it.
__________________
Last Brave 2004 34D
troth is offline   Reply With Quote
Old 06-21-2006, 04:33 AM   #24
Winnebago Owner
 
Join Date: Jun 2006
Location: Bolingbrook, IL
Posts: 119
Talked to previous owner yesterday and he said he'd have to remove tube going to carb occassionally to get it to start. Once the rain stops here, I'll give it a try.

Also added Berryman B-12 to gas tank to see if eventually that'll help.
__________________
KC9NPT (Merrill)
2000 Itasca Suncruiser 35U
2014 Chev Equinox LT AWD
Romer1 is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Need a Make over: 1994 Itasca christoph Winnebago General Discussions 7 02-20-2010 06:09 PM
1994 winnebago vectra 34ra on a ford f-53 chassis Winnebago Class A Motorhomes 10 12-31-1969 07:00 PM

» Featured Campgrounds

Reviews provided by

Disclaimer:

This website is not affiliated with or endorsed by Winnebago Industries or any of its affiliates. This is an independent, unofficial site.


All times are GMT -6. The time now is 03:07 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
×